Cite

"Chihuahua Mexico Duplicates"

MLA

Erdoes, Richard, 1912-2008. "Chihuahua Mexico Duplicates". Box 53. 1975, undated. https://collections.library.yale.edu/catalog/2082329.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 53"])(1975, undated)["Chihuahua Mexico Duplicates"]. https://collections.library.yale.edu/catalog/2082329.